IEEE C12.9-1987 - American National Standard for Test Switches for Transformer-Rated Meters
Standard Details
The general requirements and pertinent dimensions applicable to watthour meter sockets rated up to and including 600 V, and up to and including 320 A continuous duty per socket opening, are covered. Electrical ratings, performance requirements, and construction requirements are specified.
Status
History
Additional Resources Details
PAR
Working Group Details
IEEE Program Manager